Marine Grade Stainless Steel 317L Tubes is able to withstand high temperatures and extremely corrosive environments due to two factors. One reason is because of the formation of the intermetallic compound in the primary double gamma phase. This intermetallic phase acts as a “glue” at the grain boundaries. This “glue” keeps the grains from swelling at high temperatures (most often, smaller grains mean high strength, and larger grains mean higher ductility). Second, it faces severe erosion due to the passivation layer that forms when heated. Both factors make Marine Grade Stainless Steel 321 Tubes as ideal alloys for applications from hot section gas turbines to deep sea well drilling. They are expensive and difficult to machine, and also are characterized by a weight-related chromium content.
We as Siddhgiri Tubes is a famous seller of Marine Grade SS Tubes, which have a higher resistance to weathering than conventional steels. When a part requires superior strength and resistance to oxidation at high temperatures, these alloys are best suited for those applications. On the other hand, a medical material handling part may be better suited for a steel alloy. Marine Grade Stainless Steel 347 Tubes are characterized by high corrosion resistance, oxidation resistance, high temperature resistance and creep resistance. The strength and the decomposition conflict of the steel is dependent on these microstructures. It is a mixture of austenitic and ferritic microstructures, and precipitation hardening means that precipitates can form to increase the strength of this class of stainless steels.